public class Test {
    public static void main(String[] args) {
        MyStack myStack=new MyStack();
        //myStack.push(1);
        //myStack.push(2);
        //myStack.push(3);
        //myStack.push(4);
        myStack.pop();
        //System.out.println(myStack.pop());
        //System.out.println(myStack.peek());
        //System.out.println(myStack.pop());
       // System.out.println(myStack.pop());


    }
}
